Abstract
The paper presents a simulation-based analysis of laterally-corrugated ridge-waveguide distributed feedback semiconductor lasers emitting at 980 nm. The simulations were performed using software developed in-house and the PICS3D software package from Crosslight Software Inc. The effects of the corrugation geometry, phase-shift section, and mirror reflectivities on single longitudinal mode operation are discussed. The lasers, designed along the guidelines derived from the simulation results, were fabricated by using molecular beam epitaxy for wafer growth and low-cost nano-imprint lithography. They exhibited stable single-mode operation with up to 50 dB side-mode suppression ratio.
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Laakso, A., Dumitrescu, M., Viheriälä, J. et al. Laterally-corrugated ridge-waveguide distributed feedback lasers at 980 nm. Opt Quant Electron 41, 11–16 (2009). https://doi.org/10.1007/s11082-009-9316-z
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DOI: https://doi.org/10.1007/s11082-009-9316-z